a heap-buffer-overflow in GPMF_parser.c:528 function GPMF_Type
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==131748==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60200000efb4 at pc 0x4068ee bp 0x7ffe5153d9e0 sp 0x7ffe5153d9d8
READ of size 4 at 0x60200000efb4 thread T0
#0 0x4068ed in GPMF_Type ../GPMF_parser.c:528
#1 0x431a30 in PrintGPMF /opt/lxf/gpmf-parser/gpmf-parser-master/demo/GPMF_print.c:394
#2 0x401461 in main /opt/lxf/gpmf-parser/gpmf-parser-master/demo/GPMF_demo.c:81
#3 0x7fa688a75f44 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21f44)
#4 0x401108 (/opt/lxf/gpmf-parser/gpmf-parser-master/demo/gpmfdemo-asan+0x401108)
0x60200000efb4 is located 0 bytes to the right of 4-byte region [0x60200000efb0,0x60200000efb4)
allocated by thread T0 here:
#0 0x7fa688e71b0a in __interceptor_realloc (/usr/lib/x86_64-linux-gnu/libasan.so.1+0x54b0a)
#1 0x429520 in GetGPMFPayload /opt/lxf/gpmf-parser/gpmf-parser-master/demo/GPMF_mp4reader.c:86
#2 0x4013c8 in main /opt/lxf/gpmf-parser/gpmf-parser-master/demo/GPMF_demo.c:62
#3 0x7fa688a75f44 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21f44)
SUMMARY: AddressSanitizer: heap-buffer-overflow ../GPMF_parser.c:528 GPMF_Type
Shadow bytes around the buggy address:
0x0c047fff9da0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9db0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9dc0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9dd0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9de0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
=>0x0c047fff9df0: fa fa fa fa fa fa[04]fa fa fa 00 00 fa fa 00 fa
0x0c047fff9e00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9e10: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9e20: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9e30: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9e40: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Contiguous container OOB:fc
ASan internal: fe
==131748==ABORTING
a heap-buffer-overflow in GPMF_parser.c:528 function GPMF_Type
poc
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